Federal law requires contractors that disturb painted surfaces in homes, childcare facilities and schools built before 1978 to be certified and follow specific work practices to prevent lead contamination. Federal law requires that individuals receive certain information before renovating more than 6 ft.² of painted surfaces in a room for interior projects or more than 12 ft.² of painted surfaces for exterior projects or window replacement or demolition and housing, childcare facilities and schools built before 1978. Homeowners and tenants: renovators must give you this pamphlet before starting work. Childcare facilities, including preschool and kindergarten classrooms and the families of children under six years of age that attend those facilities: renovators must provide a copy of this pamphlet to childcare facilities in general renovation information to families whose children attend those facilities.